Augustinus Terwesten or Augustinus Terwesten the Elder was a Dutch painter, draughtsman, printmaker and art educator. He specialized in portraits, architectural and historical themes. He was known in his time for his decorative paintings in luxurious residences many of which have since disappeared. He left a great many preparatory drawings. He was a co-founder of The Hague Drawing Academy. He worked for a long time in Berlin where he was court painter to Frederick William I of Prussia and one of the co-founders of the Prussian Academy of Arts.